NEW YORK ( TheStreet) -- Shares of Dynavax Technologies Corporation (Nasdaq: DVAX) were gapping down Wednesday morning with an open price 17.4% lower than Tuesday's closing price. The stock closed at $3.16 Tuesday and opened today's trading at $2.61. The average volume for Dynavax has been 1.1 million shares per day over the past 30 days. Dynavax has a market cap of $346.5 million and is part of the health care sector and drugs industry. Shares are down 1.3% year to date as of the close of trading on Tuesday. Dynavax Technologies Corporation, a clinical-stage biopharmaceutical company, discovers and develops novel products to prevent and treat infectious diseases. TheStreet Ratings rates Dynavax as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income and weak operating cash flow. You can view the full Dynavax Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.